chore: Add rokt submodule (#557)

Author: Mansi-mParticle

.gitmodules

@@ -79,6 +79,9 @@
 [submodule "kits/revealmobile-kit"]
 	path = kits/revealmobile-kit
 	url = git@github.com:mparticle-integrations/mparticle-android-integration-revealmobile.git
+[submodule "kits/rokt-kit"]
+    path = kits/rokt-kit
+    url = git@github.com:mparticle-integrations/mparticle-android-integration-rokt.git
 [submodule "kits/singular-kit"]
 	path = kits/singular-kit
 	url = git@github.com:mparticle-integrations/mparticle-android-integration-singular.git

settings-kits.gradle

@@ -29,6 +29,7 @@ include (
         ':kits:radar-kit',
         ':kits:responsys-kit',
         ':kits:revealmobile-kit',
+        ':kits:rokt-kit',
         ':kits:singular-kit',
         ':kits:skyhook-kit',
         //Swrve hosts kit